135827866 has 8 divisors (see below), whose sum is σ = 203844564. Its totient is φ = 67879680.

The previous prime is 135827849. The next prime is 135827869. The reversal of 135827866 is 668728531.

It can be written as a sum of positive squares in 2 ways, for example, as 135606025 + 221841 = 11645^2 + 471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×135827866² = 36898418364227912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135827869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11845 + ... + 20296.

Almost surely, 2^135827866 is an apocalyptic number.

135827866 is a deficient number, since it is larger than the sum of its proper divisors (68016698).

135827866 is a wasteful number, since it uses less digits than its factorization.

135827866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34256.

The product of its digits is 483840, while the sum is 46.

The square root of 135827866 is about 11654.5212685893. The cubic root of 135827866 is about 514.0392633030.

The spelling of 135827866 in words is "one hundred thirty-five million, eight hundred twenty-seven thousand, eight hundred sixty-six".